What's another phrase or metaphor that means "to fulfill your dream" or "make your dreams a reality?"
- achieve one's ambition
- meet your desires
- fulfill your wish / make your wish come true
Looking for a metaphor, one option is:
To describe someone's achievement as a feather in their cap means that it is something they can be proud of. "The overwhelming victory of the team was a feather in the cap for the new manager."
Source: Success/Failure Idioms
Well, the word actualize means to make real. Specifically, self-actualization is a term used by psychological theorists to describe the process by which a person reaches his full potential. There's a subtle difference between fulfilling dreams and reaching max potential, so you could say actualize your aspirations.